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Shure Beta181/BI Ultra Compact Instrument Condenser Microphone (Bidirectional Capsule)

 
  • Dale #:

    SHUR-BETA181BI
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Description

The Shure Beta 181 is an ultra-compact, small-diaphragm side-address condenser microphone, designed for discreet placement and control in live and studio environments. Featuring interchangeable cardioid, supercardioid, omnidirectional and bidirectional capsule options for superior versatility, th... Read More

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Description

The Shure Beta 181 is an ultra-compact, small-diaphragm side-address condenser microphone, designed for discreet placement and control in live and studio environments. Featuring interchangeable cardioid, supercardioid, omnidirectional and bidirectional capsule options for superior versatility, the small diaphragm design provides superior audio with consistent, textbook polar responses in a form factor small enough to get close to the source in the tightest conditions.

Precision-engineered, compact side-address design features innovative locking ring to provide secure connection between capsule and preamplifier. Furnished with stand adapter, windscreen and carrying case (carrying case will securely protect up to four polar pattern capsules) BETA 181/BI (bidirectional) for mono drum overhead, dual instrument sound source applications, Blumlein stereo technique (pair of Beta 181/BI)

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Product Specs

Cartridge TypeElectret Condenser
Polar Pattern181/BI: Bidirectional
Frequency Response20 to 20,000 Hz
Output Impedance 110
Sensitivity open circuit voltage,@ 1 kHz,typicalBidirectional: –51.0 dBV/Pa[1] (2.6 mV)
Maximum SPL 1 kHz at 1% THD[2]2500 load: Bidirectional: 156.0 dB SPL
1000 load: Bidirectional: 153.5 dB SPL
Signal-to-Noise Ratio[3]Bidirectional: 71.0 dB
Dynamic Range2500 load: Bidirectional: 133.0 dB
1000 load: Bidirectional: 130.5 dB
Clipping Level @ 1 kHz, 1% THD2500 load: 10.5 dBV
1000 load: 7.5 dBV
Self Noise equivalent SPL, A-weighted,typicalBidirectional: 23.0 dB SPL-A
Common Mode Rejection 20 to 20,000 kHz=55 dB
PolarityPositive pressure on diaphragm produces positive voltage on pin 2 with respect to pin 3
Power Requirements11–52 V DC[4] phantom power (IEC-61938)
2.4 mA, maximum
Net Weight145 g (5.1 oz.)

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